Brand new never fired fn m16a4 with flip up rear sight oem and kac m5 ras rail /foregrip with extra covers and grenade launcher half moon clip.have detachable a2 carry handle also.  With magazine and original box and paperwork and lock. 1800 obo.. these are selling everywhere for 2000 plus tax even on gunbroker so don't care what you say you think you can get one for cheaper than mine... do your research first and see what mine has including Atrius works flawlessly